In 1971, Congress and President Nixon declared a national 'war on cancer', which established funding for 15 new cancer research centers.
The House impeached President Donald J. Trump for a second time, an unprecedented feat in U.S. history, on charges of fomenting insurrection
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The Senate failed, barely, to secure a two-thirds majority in favor of convicting President Andrew Johnson
'Lend-Lease' saw the United States send military hardware, oil, and food to foreign allies during World War 2
